S-24MU2U6 S-36MU2U6 4-Way Cassette 36" x 36" (CZ-36KPU3U)* (CZ-36KPU3U)* Ceiling S-12MT2U6 S-18MT2U6 S-24MT2U6 * Panel (optional parts) Connectable outdoor unit lineup This booklet is the operating instructions for indoor unit. Regarding the outdoor unit, see the operating instructions supplied with the outdoor unit.
INSTALLATION LOCATION • We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit. • Before installation, check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate.
• For safety, be sure to turn the air conditioner off and also to disconnect the power before cleaning or servicing. • Pull off the power plug from a receptacle, or switch off the breaker, or switch off the power disconnecting mean to isolate the air conditioner from the main power supply in case of emergency.
NAMES OF PARTS INDOOR UNIT Type U2 (4-Way Cassette 36" x 36") Type T2 (Ceiling) Water drain Air outlet Water drain Ceiling panel (optional) Air intake grille (air intake) Air outlet Air intake grille (4 locations) (air intake) Timer Remote Controller (Optional parts) Refer to the Operating Instructions NOTE attached to the optional Timer Remote...
ADJUSTING AIRFLOW DIRECTION 4-Way Cassette 36" x 36" (Type U2) This air conditioners are equipped with auto flaps. You can set the airflow direction to a specific angle or to the sweep mode using the remote controller. Do not move the flap with your hands. •...
SPECIAL REMARKS • Since this air conditioner utilizes outside air for heating, its heating performance Heating Performance deteriorates as outside temperature decreases. (Due to heat pump system) • It will take some time until the room becomes warmer after heating operation started. (Due to hot air circulation system in order to heat a whole room) •...
CARE AND CLEANING Do not attempt to clean inside the unit by yourself. Refer to the section “Care and Cleaning” in the Installation Instructions. 1. For safety, be sure to turn the air conditioner off and also to disconnect the power before cleaning.
TROUBLESHOOTING If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or a service center. INDOOR UNIT Symptom Cause Noise Sound like streaming water during •...
CHECK BEFORE REQUIRING SERVICES Symptom Cause Remedy Air conditioner does not run at Power failure or after power failure Press ON/OFF operation button on remote controller all although power is turned again. Operation button is turned off. • Switch on power if breaker is turned off. •...
Net Weight: unit + panel 53+9 (24+4) 60+9 (27+4) lbs. (kg) * Values include the dimension and weight of an optional ceiling panel. Ceiling (Type T2) Model Name S-12MT2U6 S-18MT2U6 S-24MT2U6 Power Source 208 / 230 V, 60 Hz, 1PH BTU/h 12,000...